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    • 1. 发明申请
    • NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND WRITE-IN METHOD THEREOF
    • 非易失性半导体存储器件及其写入方法
    • US20130176783A1
    • 2013-07-11
    • US13527251
    • 2012-06-19
    • Makoto SENOOHideki ARAKAWARiichiro SHIROTA
    • Makoto SENOOHideki ARAKAWARiichiro SHIROTA
    • G11C16/10
    • G11C16/10G11C16/20
    • TASK: to minimize variations of the threshold voltage distribution after programming and obtain a high-speed rewriting characteristic. MEANS FOR SOLVING THE PROBLEM: A non-volatile semiconductor memory device includes a non-volatile memory cell array and a control circuit for controlling writing-in to the memory cell array, wherein before or after an erasing process where data of written-in memory cells is erased, the control circuit detects a programming speed when writing-in to the memory cell array, determines a programming start voltage corresponding to the programming speed for every block or every word line, stores the determined programming start voltage in the memory cell array and reads-out the programming start voltage from the memory cell array to write-in predetermined data.
    • 任务:最小化编程后阈值电压分布的变化,并获得高速重写特性。 解决问题的手段:非易失性半导体存储器件包括非易失性存储单元阵列和用于控制对存储单元阵列的写入的控制电路,其中在写入存储器的数据的擦除处理之前或之后 单元被擦除时,控制电路在写入存储单元阵列时检测编程速度,确定与每个块或每个字线对应的编程速度的编程开始电压,将所确定的编程开始电压存储在存储单元阵列中 并从存储单元阵列读出编程开始电压以写入预定数据。
    • 4. 发明授权
    • Semiconductor memory device and method of verifying the same
    • 半导体存储器件及其验证方法
    • US07593266B2
    • 2009-09-22
    • US11819173
    • 2007-06-26
    • Makoto SenooKazunari KidoShunichi ToyamaYoshihiro Tsukidate
    • Makoto SenooKazunari KidoShunichi ToyamaYoshihiro Tsukidate
    • G11C11/34
    • G11C16/3454G11C2216/20
    • Example embodiments provide a semiconductor memory device and a method of verifying the same. The semiconductor memory device may include: a memory including a plurality of memory cells; a verifier determining a program state of the memory cell in the memory; and/or an address/program controller controlling the memory and the verifier. Example embodiments include making the memory start a suspend operation during an operation of the memory cell, and/or starting a verify operation when the suspend operation terminates. The address/program controller may start the operation on the memory cell if it is determined that a repeat operation is necessary, and may start the program operation on the next memory cell if it is determined that a repeat operation is unnecessary. The memory operation mode may be one in which a verify operation is not performed before programming.
    • 示例性实施例提供半导体存储器件及其验证方法。 半导体存储器件可以包括:包括多个存储器单元的存储器; 确定存储器中的存储器单元的程序状态的验证器; 和/或控制存储器和验证器的地址/程序控制器。 示例实施例包括在存储器单元的操作期间使存储器开始暂停操作,和/或当挂起操作终止时开始验证操作。 如果确定需要重复操作,则地址/程序控制器可以在存储器单元上开始操作,并且如果确定不需要重复操作,则可以在下一个存储器单元上开始编程操作。 存储器操作模式可以是在编程之前不执行验证操作的模式。
    • 7. 发明申请
    • Semiconductor memory device and method of verifying the same
    • 半导体存储器件及其验证方法
    • US20080123428A1
    • 2008-05-29
    • US11819173
    • 2007-06-26
    • Makoto SenooKazunari KidoShunichi ToyamaYoshihiro Tsukidate
    • Makoto SenooKazunari KidoShunichi ToyamaYoshihiro Tsukidate
    • G11C7/22
    • G11C16/3454G11C2216/20
    • Example embodiments provide a semiconductor memory device and a method of verifying the same. The semiconductor memory device may include: a memory including a plurality of memory cells; a verifier determining a program state of the memory cell in the memory; and/or an address/program controller controlling the memory and the verifier. Example embodiments include making the memory start a suspend operation during an operation of the memory cell, and/or starting a verify operation when the suspend operation terminates. The address/program controller may start the operation on the memory cell if it is determined that a repeat operation is necessary, and may start the program operation on the next memory cell if it is determined that a repeat operation is unnecessary. The memory operation mode may be one in which a verify operation is not performed before programming.
    • 示例性实施例提供半导体存储器件及其验证方法。 半导体存储器件可以包括:包括多个存储器单元的存储器; 确定存储器中的存储器单元的程序状态的验证器; 和/或控制存储器和验证器的地址/程序控制器。 示例实施例包括在存储器单元的操作期间使存储器开始暂停操作,和/或当挂起操作终止时开始验证操作。 如果确定需要重复操作,则地址/程序控制器可以在存储器单元上开始操作,并且如果确定不需要重复操作,则可以在下一个存储器单元上开始编程操作。 存储器操作模式可以是在编程之前不执行验证操作的模式。